In accordance with the technology of ultrasonic nondestructive pressure measurement, a sing-around device was developed for measuring the propagation time of ultrasonic wave.
针对超声波无损压力检测技术，开发了一种采用回振法测量超声波传播时间的装置。
This method can effectively determine the direction of the pressure wave propagation and source, thereby excluding the impact of adjustment of working conditions, reduce the system false alarm rate.
该方法能够有效的判断压力波的传播方向和来源，从而排除了工况调整的影响，降低了系统误报率。
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